package com.zou.application.filter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.zou.application.utils.StringUtils;

public class UserSessionInter implements HandlerInterceptor{

	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		Integer userId = (Integer) request.getSession().getAttribute("userId");
		if(userId == null){
			response.sendRedirect("/user/login");
			request.setAttribute("code", "301");
			request.setAttribute("msg", "请先登陆");
			return false;
		}
		return true;
	}

	@Override
	public void postHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		Integer userId = (Integer) request.getSession().getAttribute("userId");
		if(userId == null){
			response.sendRedirect("/user/login");
			request.setAttribute("code", "301");
			request.setAttribute("msg", "请先登陆");
		}
	}

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
	}
}
